liquibase.util.csv.opencsv.bean.AbstractCSVToBean Maven / Gradle / Ivy
package liquibase.util.csv.opencsv.bean;
import java.beans.PropertyDescriptor;
import java.beans.PropertyEditor;
/**
* Converts CSV data to objects.
*/
public abstract class AbstractCSVToBean {
/**
* Attempt to find custom property editor on descriptor first, else try the propery editor manager.
*
* @param desc - PropertyDescriptor.
* @return - the PropertyEditor for the given PropertyDescriptor.
* @throws InstantiationException - thrown when getting the PropertyEditor for the class.
* @throws IllegalAccessException - thrown when getting the PropertyEditor for the class.
*/
protected abstract PropertyEditor getPropertyEditor(PropertyDescriptor desc) throws InstantiationException, IllegalAccessException;
/**
* Returns the trimmed value of the string only if the property the string is describing should be trimmed
* to be converted to that type.
*
* @param s - String describing the value.
* @param prop - property descriptor of the value.
* @return the string passed in if the property is a string otherwise it will return the string with the
* beginning and end whitespace removed.
*/
protected String checkForTrim(String s, PropertyDescriptor prop) {
return trimmableProperty(prop) ? s.trim() : s;
}
private boolean trimmableProperty(PropertyDescriptor prop) {
return !prop.getPropertyType().getName().contains("String");
}
/**
* Convert a string value to its Object value.
*
* @param value - String value
* @param prop - PropertyDescriptor
* @return The object set to value (i.e. Integer). Will return String if no PropertyEditor is found.
* @throws InstantiationException - Thrown on error getting the property editor from the property descriptor.
* @throws IllegalAccessException - Thrown on error getting the property editor from the property descriptor.
*/
protected Object convertValue(String value, PropertyDescriptor prop) throws InstantiationException, IllegalAccessException {
PropertyEditor editor = getPropertyEditor(prop);
Object obj = value;
if (null != editor) {
editor.setAsText(value);
obj = editor.getValue();
}
return obj;
}
}